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<head>
    <meta charset="UTF-8">
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    <title>Document</title>
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<body>
    <script>
        var name = "文渊"
        var age = 18;
        var gender = "男"
        var sign = prompt('请输入你的签名')
        console.log("我叫",name);
        console.log("我今年",age);
        console.log("我是",gender);

        console.log(sign);
    </script>
</body>
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